The San Francisco 49ers announced they have placed C Marcus Martin on the Injured Reserve List and promoted RB Raheem Mostert to the team’s active roster.
Mostert (5-10, 197) originally signed with San Francisco’s practice squad on November 28, 2016. This season, Mostert was waived by Cleveland on September 4, 2016, signed to the New York Jets practice squad on September 6 and later released from the Jets on September 12. He was signed to the Chicago Bears practice squad on September 13 where he spent time between the practice squad and active roster, appearing in two games with Chicago prior to being waived on October 21.